31950116916 has 24 divisors (see below), whose sum is σ = 74711301504. Its totient is φ = 10627034880.

The previous prime is 31950116903. The next prime is 31950116917. The reversal of 31950116916 is 61961105913.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31950116917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869725 + ... + 2880836.

It is an arithmetic number, because the mean of its divisors is an integer number (3112970896).

Almost surely, 2^31950116916 is an apocalyptic number.

It is an amenable number.

31950116916 is an abundant number, since it is smaller than the sum of its proper divisors (42761184588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31950116916 is a wasteful number, since it uses less digits than its factorization.

31950116916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751031 (or 5751029 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 42.

The spelling of 31950116916 in words is "thirty-one billion, nine hundred fifty million, one hundred sixteen thousand, nine hundred sixteen".